Finding the Fourth Proportional to 761,528.68, 1,050,883.14 and 422,028.52
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Solution
The fourth proportional to 761,528.68, 1,050,883.14 and 422,028.52 is: 582,384.71
Step by Step Solution
- Step 1: Write the proportion equation
761,528.68 : 1,050,883.14 = 422,028.52 : x - Step 2: Convert to fraction form
761,528.68/1,050,883.14 = 422,028.52/x - Step 3: Cross multiply
761,528.68x = 1,050,883.14 × 422,028.52 - Step 4: Simplify right side
761,528.68x = 443,502,656,267.15 - Step 5: Solve for x
x = 443,502,656,267.15/761,528.68 - Step 6: Final answer
x = 582,384.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.